An accountancy practice had an overhead budget of $21,060 for a period. Actual overhead expenditure in the period was $21,720. Overheads are absorbed on the basis of client hours worked which totalled 2,375 in the period and resulted in under-absorption of $345. What was the budgeted overhead absorption rate per client hour?

5,400 units of a company's single product were sold for a total revenue of $140,400. Fixed costs in the period were $39,420 and net profit was $11,880. What was the contribution per unit (to two decimal places)? $